| seekMap: |
| isSeekable = true |
| duration = 900000 |
| getPosition(0) = [[timeUs=0, position=0]] |
| getPosition(1) = [[timeUs=1, position=0]] |
| getPosition(450000) = [[timeUs=450000, position=11421]] |
| getPosition(900000) = [[timeUs=900000, position=23030]] |
| numberOfTracks = 2 |
| track 256: |
| total output bytes = 396 |
| sample count = 2 |
| format 0: |
| id = 1/256 |
| sampleMimeType = video/hevc |
| width = 854 |
| height = 480 |
| initializationData: |
| data = length 83, hash 7F428 |
| sample 0: |
| time = 966666 |
| flags = 0 |
| data = length 134, hash 8802EEF0 |
| sample 1: |
| time = 933333 |
| flags = 0 |
| data = length 80, hash C635D9C2 |
| track 8448: |
| total output bytes = 0 |
| sample count = 0 |
| format 0: |
| id = 1/8448 |
| sampleMimeType = application/cea-608 |
| tracksEnded = true |
